trapezoid

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noun trap·e·zoid \ˈtra-pə-ˌzȯid\

Definition of trapezoid

  1. 1a :  a quadrilateral having only two sides parallelb British :  trapezium 1a

  2. 2 :  a bone in the wrist at the base of the metacarpal of the index finger

trapezoidal

play \ˌtra-pə-ˈzȯi-dəl\ adjective

Recent Examples of trapezoid from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trapezoid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of trapezoid

Origin and Etymology of trapezoid

New Latin trapezoïdes, from Greek trapezoeidēs trapezium-shaped, from trapeza table


TRAPEZOID Defined for English Language Learners

trapezoid

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noun

Definition of trapezoid for English Language Learners

  • : a four-sided shape that has two sides that are parallel and two sides that are not parallel


TRAPEZOID Defined for Kids

trapezoid

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noun trap·e·zoid \ˈtra-pə-ˌzȯid\

Definition of trapezoid for Students

  1. :  a flat geometric figure with four sides but with only two sides parallel


Medical Dictionary

trapezoid

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noun trap·e·zoid \ˈtrap-ə-ˌzȯid\

Medical Definition of trapezoid

  1. :  a bone in the distal row of the carpus at the base of the index finger—called also lesser multangular, trapezoid bone, trapezoideum

Illustration of trapezoid



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